Pith Number

pith:COEWRTH6

pith:2017:COEWRTH63BYHGZLJ5ILSDLDBRO

not attested not anchored not stored refs pending

Island Loss for Learning Discriminative Features in Facial Expression Recognition

Ahmed Shehab Khan, James O'Reilly, Jie Cai, Yan Tong, Zhiyuan Li, Zibo Meng

arxiv:1710.03144 v3 · 2017-10-09 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{COEWRTH63BYHGZLJ5ILSDLDBRO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:25:07.436580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

138968ccfed870736569ea1721ac618baa5837d407adc9cf38a68da25aa213d4

Aliases

arxiv: 1710.03144 · arxiv_version: 1710.03144v3 · doi: 10.48550/arxiv.1710.03144 · pith_short_12: COEWRTH63BYH · pith_short_16: COEWRTH63BYHGZLJ · pith_short_8: COEWRTH6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/COEWRTH63BYHGZLJ5ILSDLDBRO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 138968ccfed870736569ea1721ac618baa5837d407adc9cf38a68da25aa213d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "597ae27e2c7642dbc6def5dcc7f82e4ffb5e42e32b68c79887e8d9d07481f284",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-10-09T15:26:22Z",
    "title_canon_sha256": "1dd9e8ab53a07b99a482a5549168f8c5b73e8cd74ee5024cb6e00ea98193f657"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.03144",
    "kind": "arxiv",
    "version": 3
  }
}